html,body{
	width: 100%;
	height: 100%;
	background-color:#fff;
	overflow:hidden;overflow-y:auto;
}
.app_heard{
	width: 100%;
	background-color: #1C86EE;
	padding-top: 3%;
	padding-bottom: 0.5%;
	text-align: center;
	overflow: hidden;
}
.app_heard .left_img{
	width: 30%;
	float: left;
	text-align: left;
	padding-left: 5%;
}
.app_heard .left_img img{
	width: 20%;
}
.app_heard .mid{
	width: 40%;
	float: left;
}
.app_heard p{
	color: #fff;
	display: block;
	font-size:1em; 
}
.app_heard .right_img{
	width: 30%;
	float: left;
	text-align: right;
	padding-right: 5%;
}
.app_heard .right_img img{
	width: 20%;
}
.app_nav{
	width: 99%;
	margin-top: 2%;
	margin-left: 0.5%;
	padding-bottom: 20%;
} 
.app_nav_one{
	width: 49%;
	color: #000;
	background-color: #fff;
	margin-left: 1%;
	text-align: center;
	padding: 0px;
}
.app_nav_one img{
	width: 100%;
    height: 100%;
    object-fit:cover;
    border-radius: 0.5em;
}
.app_nav_one p{
	font-weight: 550; 
	color: #000;
}
.app_nav_down{
	margin-top: 1%;
}
.app_mid_img{
	width: 100%;
	height: 20%;
/*	margin-top: 1%;*/
}
/*轮播*/
 .swiper-container {
      width: 100%;
      height: 100%;
}
    .swiper-slide {
      text-align: center;
      font-size: 18px;
    }
.swiper-slide img{
	width: 100%;
	height: 100%;
}